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----What made him worried?
----____ help the people in the snowstorm in the South.
A. Not known how to B. Because we didn’t know how to
C. Our knowing not how to D. Our not knowing how to
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___ help the people in the snowstorm in the south made him worried.
A. Not known how to B. Unknown what to do to
C. His knowing not how to D. His not knowing how to
查看习题详情和答案>>
________ help the people in the snowstorm in the South made him worried.
A. Not known how to B. Unknown what to do to
C. His knowing not how to D. His not knowing how to
查看习题详情和答案>>
___ help the people in the snowstorm in the south made him worried．
|
A．Not known how to |
B．Unknown what to do to |
|
C．His knowing not how to |
D．His not knowing how to |
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